From ba2dbba0cb31007a922519eaee7da8ee5dadc3a8 Mon Sep 17 00:00:00 2001
From: "zhaozhao.zz" <zhaozhao.zz@alibaba-inc.com>
Date: Sat, 14 Apr 2018 01:20:02 +0800
Subject: [PATCH] Modules Timer API: fix wrong raxInsert() usage

---
 src/module.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/module.c b/src/module.c
index 8c7544608..cb03ad2cd 100644
--- a/src/module.c
+++ b/src/module.c
@@ -4206,9 +4206,8 @@ RedisModuleTimerID RM_CreateTimer(RedisModuleCtx *ctx, mstime_t period, RedisMod
 
     while(1) {
         key = htonu64(expiretime);
-        int retval = raxInsert(Timers,(unsigned char*)&key,sizeof(key),timer,NULL);
-        if (retval) {
-            expiretime = key;
+        if (raxFind(Timers, (unsigned char*)&key,sizeof(key)) == raxNotFound) {
+            raxInsert(Timers,(unsigned char*)&key,sizeof(key),timer,NULL);
             break;
         } else {
             expiretime++;